213389 has 8 divisors (see below), whose sum is σ = 245280. Its totient is φ = 183600.

The previous prime is 213383. The next prime is 213391. The reversal of 213389 is 983312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213389 - 2⁸ = 213133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302 + ... + 719.

It is an arithmetic number, because the mean of its divisors is an integer number (30660).

2²¹³³⁸⁹ is an apocalyptic number.

It is an amenable number.

213389 is a deficient number, since it is larger than the sum of its proper divisors (31891).

213389 is a wasteful number, since it uses less digits than its factorization.

213389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051.

The product of its digits is 1296, while the sum is 26.

The square root of 213389 is about 461.9404723555. The cubic root of 213389 is about 59.7572600201.

It can be divided in two parts, 2133 and 89, that added together give a palindrome (2222).

The spelling of 213389 in words is "two hundred thirteen thousand, three hundred eighty-nine".